Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r470-smll-171620175800207.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is AutonomousCar-PT-08a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r470-smll-171620175800207
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 864K
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 17:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 18:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Apr 12 18:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Apr 12 18:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Apr 12 18:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 448K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1717194276656

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-08a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 22:24:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 22:24:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 22:24:38] [INFO ] Load time of PNML (sax parser for PT used): 307 ms
[2024-05-31 22:24:38] [INFO ] Transformed 81 places.
[2024-05-31 22:24:38] [INFO ] Transformed 849 transitions.
[2024-05-31 22:24:38] [INFO ] Found NUPN structural information;
[2024-05-31 22:24:38] [INFO ] Parsed PT model containing 81 places and 849 transitions and 8894 arcs in 509 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 81/81 places, 849/849 transitions.
Ensure Unique test removed 275 transitions
Reduce isomorphic transitions removed 275 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 284 rules applied. Total rules applied 284 place count 81 transition count 565
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 293 place count 72 transition count 565
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 13 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 297 place count 70 transition count 563
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 299 place count 69 transition count 563
Applied a total of 299 rules in 176 ms. Remains 69 /81 variables (removed 12) and now considering 563/849 (removed 286) transitions.
[2024-05-31 22:24:39] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 69 cols
[2024-05-31 22:24:39] [INFO ] Computed 13 invariants in 39 ms
[2024-05-31 22:24:40] [INFO ] Implicit Places using invariants in 1011 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1097 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 68/81 places, 563/849 transitions.
Applied a total of 0 rules in 8 ms. Remains 68 /68 variables (removed 0) and now considering 563/563 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1314 ms. Remains : 68/81 places, 563/849 transitions.
Discarding 44 transitions out of 563. Remains 519
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2670 resets) in 5236 ms. (7 steps per ms) remains 205/518 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
[2024-05-31 22:24:42] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 68 cols
[2024-05-31 22:24:42] [INFO ] Computed 12 invariants in 8 ms
[2024-05-31 22:24:42] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (OVERLAPS) 16/66 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 5 (OVERLAPS) 2/68 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 8 (OVERLAPS) 561/629 variables, 68/148 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 629/630 variables, and 148 constraints, problems are : Problem set: 0 solved, 205 unsolved in 5024 ms.
Refiners :[Domain max(s): 68/68 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 68/68 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (OVERLAPS) 16/66 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 5 (OVERLAPS) 2/68 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 8 (OVERLAPS) 561/629 variables, 68/148 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 629/630 variables, and 353 constraints, problems are : Problem set: 0 solved, 205 unsolved in 5495 ms.
Refiners :[Domain max(s): 68/68 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 68/68 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 13782ms problems are : Problem set: 0 solved, 205 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 50 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 563/563 transitions.
Graph (complete) has 815 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.11 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Applied a total of 1 rules in 95 ms. Remains 66 /68 variables (removed 2) and now considering 561/563 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 95 ms. Remains : 66/68 places, 561/563 transitions.
RANDOM walk for 4000000 steps (269170 resets) in 61536 ms. (65 steps per ms) remains 13/205 properties
BEST_FIRST walk for 4000004 steps (15274 resets) in 5160 ms. (775 steps per ms) remains 9/13 properties
BEST_FIRST walk for 4000004 steps (15356 resets) in 4904 ms. (815 steps per ms) remains 5/9 properties
BEST_FIRST walk for 4000004 steps (18109 resets) in 4206 ms. (950 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4000004 steps (15418 resets) in 4276 ms. (935 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000004 steps (18094 resets) in 4207 ms. (950 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4000004 steps (16619 resets) in 4267 ms. (937 steps per ms) remains 3/3 properties
// Phase 1: matrix 561 rows 66 cols
[2024-05-31 22:25:19] [INFO ] Computed 10 invariants in 10 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 18/24 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 18/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 38/62 variables, 7/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 38/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 561/623 variables, 62/134 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/623 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 4/627 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/627 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/627 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/627 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 627/627 variables, and 142 constraints, problems are : Problem set: 0 solved, 3 unsolved in 423 ms.
Refiners :[Domain max(s): 66/66 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 66/66 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 18/24 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 18/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 38/62 variables, 7/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 38/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 561/623 variables, 62/134 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/623 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 4/627 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/627 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/627 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/627 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/627 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 627/627 variables, and 145 constraints, problems are : Problem set: 0 solved, 3 unsolved in 750 ms.
Refiners :[Domain max(s): 66/66 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 66/66 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 1240ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1128 ms.
Support contains 6 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 561/561 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 60 transition count 507
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 60 transition count 507
Free-agglomeration rule applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 20 place count 60 transition count 499
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 0 with 72 rules applied. Total rules applied 92 place count 52 transition count 435
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 93 place count 51 transition count 434
Applied a total of 93 rules in 133 ms. Remains 51 /66 variables (removed 15) and now considering 434/561 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 51/66 places, 434/561 transitions.
RANDOM walk for 4000000 steps (30953 resets) in 29758 ms. (134 steps per ms) remains 1/3 properties
BEST_FIRST walk for 4000003 steps (23251 resets) in 3320 ms. (1204 steps per ms) remains 1/1 properties
// Phase 1: matrix 434 rows 51 cols
[2024-05-31 22:25:30] [INFO ] Computed 10 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 407/418 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/418 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 67/485 variables, 40/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 61 constraints, problems are : Problem set: 0 solved, 1 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 407/418 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/418 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 67/485 variables, 40/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/485 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/485 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 62 constraints, problems are : Problem set: 0 solved, 1 unsolved in 384 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 627ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 51 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 434/434 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 49 transition count 416
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 49 transition count 416
Applied a total of 4 rules in 35 ms. Remains 49 /51 variables (removed 2) and now considering 416/434 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 49/51 places, 416/434 transitions.
RANDOM walk for 4000000 steps (30851 resets) in 28162 ms. (142 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (23283 resets) in 3520 ms. (1136 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 70461 steps, run visited all 1 properties in 212 ms. (steps per millisecond=332 )
Probabilistic random walk after 70461 steps, saw 11804 distinct states, run finished after 220 ms. (steps per millisecond=320 ) properties seen :1
Able to resolve query QuasiLiveness after proving 519 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 61674 ms.
ITS solved all properties within timeout

BK_STOP 1717194340192

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="AutonomousCar-PT-08a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is AutonomousCar-PT-08a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r470-smll-171620175800207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-08a.tgz
mv AutonomousCar-PT-08a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;